Síndrome de doble corteza en paciente masculino adulto sin lisencefalia / Double cortex syndrome in a male patient without lissencephaly

No disponible

Parámetros hemodinámicos cerebrales, determinados mediante Doppler transcraneal, en un grupo de voluntarios sanos a 2.850 metros de altura / Transcranial Doppler ultrasound measurements of cerebral hemodynamic parameters in healthy volunteers at 2850 meters altitude

ANTECEDENTES: El Doppler transcraneal (DTC) es una herramienta útil en la atención del paciente cerebrovascular. Sus resultados, además de ser dependientes del operador, pueden estar influenciados por variables fisiológicas y anatómicas, así como por la altura a la que se encuentra el sujeto estudiado. OBJETIVO: Describir los parámetros hemodinámicos cerebrales medidos mediante DTC en sujetos que habitan en la ciudad de Quito. MATERIAL Y MÉTODOS: Se reclutaron para el estudio 47 voluntarios, sin antecedentes ni evidencia clínica de ictus, hipertensión arterial, enfermedades metabólicas o hematológicas. Fueron excluidos dos individuos por ausencia de ventana craneal útil para el ultrasonido. En 45 casos se registraron las velocidades medias de flujo, de pico sistólico, de fin de diástole e índices de pulsatilidad. Se recogieron la edad, el sexo y los niveles de hematocrito. Los datos anteriores se analizaron por sexo y según el grupo de edad. RESULTADOS: Predominaron las mujeres (28; 62,2%) y la media de edad fue de 35,9 años. No se encontraron diferencias interhemisféricas significativas en las velocidades medias de flujo, excepto en las arterias cerebrales anteriores con predominio derecho. Se registraron mayores velocidades de flujo en las mujeres y en el subgrupo de menor edad. No de demostraron diferencias significativas entre los dos subgrupos de edad ni por sexo en el índice de pulsatilidad. En relación con otras series, las velocidades de flujo son inferiores. CONCLUSIONES: En el grupo de personas examinadas, los parámetros hemodinámicos registrados son menores que los publicados en otras series y están influenciados por la altura, la edad y el sexo

BACKGROUND: Transcranial Doppler ultrasound (TDU) is useful in cerebrovascular patients. TDU findings are operator-dependent; they can also be influenced by anatomical and physiological variables as well as by the altitude at which the study is done. OBJECTIVE: To report the cerebral hemodynamic parameters measured by TDU in subjects who live in Quito, Ecuador (altitude 2850 meters). MATERIAL AND METHODS: We recruited 47 volunteers with no history or clinical evidence of stroke, hypertension, metabolic disorders, or hematologic disorders; 2 patients were excluded because they did not have a viable cranial window for TDU study. Thus, we recorded mean cerebral blood flow velocity, peak systolic flow velocity, end-diastolic flow velocity, and pulsatility indices in 45 patients (28 (62.2%) women; mean age, 35.9 years). We recorded patients' age, sex, and hematocrit. We analyzed cerebrovascular hemodynamic parameters by sex and age group. RESULTS: No significant differences between hemispheres were observed in mean flow velocities, except in the anterior cerebral arteries with right predominance. Flow velocities were higher in women and in the youngest age group. No significant differences in the pulsatility indices were found between sexes or between age groups. The flow velocities in this series are lower than those reported for other series. CONCLUSIONS: The hemodynamic parameters in this series are lower than in other series and are influenced by the altitude, age, and sex

Transcranial Doppler ultrasound measurements of cerebral hemodynamic parameters in healthy volunteers at 2850 meters altitude. / Parámetros hemodinámicos cerebrales, determinados mediante Doppler transcraneal, en un grupo de voluntarios sanos a 2.850 metros de altura.

BACKGROUND: Transcranial Doppler ultrasound (TDU) is useful in cerebrovascular patients. TDU findings are operator-dependent; they can also be influenced by anatomical and physiological variables as well as by the altitude at which the study is done. OBJECTIVE: To report the cerebral hemodynamic parameters measured by TDU in subjects who live in Quito, Ecuador (altitude 2850 meters). MATERIAL AND METHODS: We recruited 47 volunteers with no history or clinical evidence of stroke, hypertension, metabolic disorders, or hematologic disorders; 2 patients were excluded because they did not have a viable cranial window for TDU study. Thus, we recorded mean cerebral blood flow velocity, peak systolic flow velocity, end-diastolic flow velocity, and pulsatility indices in 45 patients (28 (62.2%) women; mean age, 35.9 years). We recorded patients' age, sex, and hematocrit. We analyzed cerebrovascular hemodynamic parameters by sex and age group. RESULTS: No significant differences between hemispheres were observed in mean flow velocities, except in the anterior cerebral arteries with right predominance. Flow velocities were higher in women and in the youngest age group. No significant differences in the pulsatility indices were found between sexes or between age groups. The flow velocities in this series are lower than those reported for other series. CONCLUSIONS: The hemodynamic parameters in this series are lower than in other series and are influenced by the altitude, age, and sex.

Factores asociados a una evolución desfavorable en la hemorragia subaracnoidea aneurismática. Serie de 334 pacientes / Factors associated with poor outcome for aneurysmal subarachnoid haemorrhage in a series of 334 patients

Objetivo: Evaluar los factores sociodemográficos, clínicos, imagenológicos y relacionados con la atención médica que influyen sobre el pronóstico de los pacientes con hemorragia subaracnoidea aneurismática al alta hospitalaria. Pacientes y método. Se realizó un estudio tipo cohorte, retrospectivo, con 334 pacientes atendidos en el Hospital Hermanos Ameijeiras en La Habana, Cuba, en el periodo comprendido entre octubre de 2005 y junio de 2014. Resultados: En el análisis multivariado se encontró que los factores asociados a una evolución desfavorable fueron la edad mayor a 65 años (OR 3,51, IC 95% 1,79-5,7, p = 0,031), el sexo femenino (OR 2,17, IC 95% 1,22-3,84, p = 0,0067), la HTA sistólica (OR 4,82, IC 95% 2,27-9,8, p = 0,0001), la hiperglucemia al ingreso (OR 3,93, IC 95% 2,10-7,53, p = 0,0003), las complicaciones como la sepsis respiratoria (OR 2,73, IC 95% 1,27-5,85, p = 0,0085), los trastornos hidroelectrolíticos (OR 3,33, IC 95% 1,33-8,28, p = 0,0073), la hidrocefalia (OR 2,21, IC 95% 1,05-4,63, p = 0,0039), el resangrado (OR 16,50, IC 95% 8,24-41,24, p = 0,0000), el vasoespasmo sintomático (OR 19,00, IC 95% 8,86-41,24, p = 0,0000), el infarto cerebral (OR 3,82, IC 95% 1,87-7,80, p = 0,0000), el resangrado múltiple (OR 6,69, IC 95% 1,35-36,39, p = 0,0019), así como los grados III y IV de las escalas de la Federación Mundial de Neurocirujanos (OR 2,09, IC 95% 1,12-3,91, p = 0,0021) y de Fisher (OR 5,18, IC 95% 2,65-10,29, p = 0,0008). Conclusiones: La evolución de la hemorragia subaracnoidea aneurismática está relacionada con la edad, el sexo, el estado clínico al arribo a la unidad de ictus, así como las características imagenológicas según la escala de Fisher, las cifras de tensión arterial y de glucemia, y las complicaciones como los trastornos hidroelectrolíticos, la hidrocefalia, el resangrado, el vasoespasmo y el resangrado múltiple

Objective: This study evaluates care-related sociodemographic, clinical, and imaging factors and influences associated with outcome at discharge in patients with aneurismal subarachnoid haemorrhage. Patients and method: Retrospective cohort study in 334 patients treated at Hospital Hermanos Ameijeiras in Havana, Cuba between October 2005 and June 2014. Results: Logistic regression analysis determined that the following factors were associated with higher risk of poor outcome: age older than 65 years (OR 3.51, 95% CI 1.79-5.7, P = .031), female sex (OR 2.17, 95% CI 1.22-3.84, P = .0067), systolic hypertension (OR 4.82, 95% CI 2.27-9.8, P=.0001), and hyperglycaemia at admission (OR 3.93, 95% CI 2.10-7.53, P = .0003). Certain complications were also associated with poor prognosis, including respiratory infection (OR 2.73, 95% CI 1.27-5.85, P = .0085), electrolyte disturbances (OR 3.33, 95% CI 1.33-8.28, P = .0073), hydrocephalus (OR 2.21, 95% CI 1.05-4.63, P = .0039), rebleeding (OR 16.50, 95% CI 8.24-41.24, P = .0000), symptomatic vasospasm (OR 19.00, 95% CI 8.86-41.24, P = .0000), cerebral ischaemia (OR 3.82, 95% CI 1.87-7.80, P = .000) and multiplex rebleeding (OR 6.69, 95% CI 1.35-36.39, P = .0019). Grades of III and IV on the World Federation of Neurological Surgeons (OR 2.09, 95% CI 1.12-3.91, P = .0021) and Fisher scales (OR 5.18, 95% CI 2.65-10.29, P = .0008) were also related to poor outcome. Conclusions: Outcome of aneurysmal subarachnoid haemorrhage was related to age, sex, clinical status at admission to the stroke unit, imaging findings according to the Fisher scale, blood pressure, glycaemia and such complications as electrolyte disturbances, hydrocephalus, rebleeding, and multiplex rebleeding

Factors associated with poor outcome for aneurysmal subarachnoid haemorrhage in a series of 334 patients. / Factores asociados a una evolución desfavorable en la hemorragia subaracnoidea aneurismática. Serie de 334 pacientes.

OBJECTIVE: This study evaluates care-related sociodemographic, clinical, and imaging factors and influences associated with outcome at discharge in patients with aneurismal subarachnoid haemorrhage. PATIENTS AND METHOD: Retrospective cohort study in 334 patients treated at Hospital Hermanos Ameijeiras in Havana, Cuba between October 2005 and June 2014. RESULTS: Logistic regression analysis determined that the following factors were associated with higher risk of poor outcome: age older than 65 years (OR 3.51, 95% CI 1.79-5.7, P=.031), female sex (OR 2.17, 95% CI 1.22-3.84, P=.0067), systolic hypertension (OR 4.82, 95% CI 2.27-9.8, P=.0001), and hyperglycaemia at admission (OR 3.93, 95% CI 2.10-7.53, P=.0003). Certain complications were also associated with poor prognosis, including respiratory infection (OR 2.73, 95% CI 1.27-5.85, P=.0085), electrolyte disturbances (OR 3.33, 95% CI 1.33-8.28, P=.0073), hydrocephalus (OR 2.21, 95% CI 1.05-4.63, P=.0039), rebleeding (OR 16.50, 95% CI 8.24-41.24, P=.0000), symptomatic vasospasm (OR 19.00, 95% CI 8.86-41.24, P=.0000), cerebral ischaemia (OR 3.82, 95% CI 1.87-7.80, P=.000) and multiplex rebleeding (OR 6.69, 95% CI 1.35-36.39, P=.0019). Grades of iii and iv on the World Federation of Neurological Surgeons (OR 2.09, 95% CI 1.12-3.91, P=.0021) and Fisher scales (OR 5.18, 95% CI 2.65-10.29, P=.0008) were also related to poor outcome. CONCLUSIONS: Outcome of aneurysmal subarachnoid haemorrhage was related to age, sex, clinical status at admission to the stroke unit, imaging findings according to the Fisher scale, blood pressure, glycaemia and such complications as electrolyte disturbances, hydrocephalus, rebleeding, and multiplex rebleeding.